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10 Cards in this Set
- Front
- Back
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What are fats and oils?
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LIPIDS |
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COMPLETE THE STATEMENT Lipids are _________ in water, but ____________ in __________________, such as acetone, chloroform and ether. |
insoluble in water soluble in organic solvents |
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How many types of lipids are there? Can you name them? |
3. Simple Lipids Compound Lipids Derived Lipids |
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What are naturally occurring fats and oils called?How are they formed? |
TAG's or Triglycerides
Esters formed by a condensation reaction between glycerol and fatty acids |
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Glycerol and Fatty Acids linked by a condensation bond create... |
Ester + Water |
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How many molecules of water are created in a condensation reaction that creates a Triglyceride? |
3 molecules of water |
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How many esters are created from the condensation reaction that creates the three molecules of H2O and the Trygliceride? |
1 |
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What is the main difference between saturated and unsaturated fatty acids? |
Saturated Fatty Acids only possess single bonds in their hydrocarbon chain. Unsaturated Fatty Acids possess one or more double bonds in their hydrocarbon chain. |
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Name two similarities between saturated and unsaturated fatty acids (structural) |
They are both long non-polar hydrocarbon chains They both have a polar carboxyl group (COOH) at one end |
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What are the three main characteristics of Fatty Acids? |
1 - They can be broken down and oxidised to release energy for cell metabolism 2 - They can be built up into triglycerides and form an energy store 3 - they can be converted into phospolipids |
